Application of a mixed metal oxide catalyst to a metallic substrate
US7510995B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Apr 1, 2003 |
| Grant date | Mar 31, 2009 |
| Priority date | — |
| Expiry date | Dec 12, 2023 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC01B13/0214
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A method for applying a mixed metal oxide catalyst to a metallic substrate for the creation of a robust, high temperature catalyst system for use in decomposing propellants, particularly hydrogen peroxide propellants, for use in propulsion systems. The method begins by forming a prepared substrate material consisting of a metallic inner substrate and a bound layer of a noble metal intermediate. Alternatively, a bound ceramic coating, or frit, may be introduced between the metallic inner substrate and noble metal intermediate when the metallic substrate is oxidation resistant. A high-activity catalyst slurry is applied to the surface of the prepared substrate and dried to remove the organic solvent. The catalyst layer is then heat treated to bind the catalyst layer to the surface. The bound catalyst layer is then activated using an activation treatment and calcinations to form the high-activity catalyst system.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.